Finding the Fourth Proportional to 119,043.57, 164,279.77 and 64,595.51

Step by Step Solution

1. Step 1: Write the proportion equation
   119,043.57 : 164,279.77 = 64,595.51 : x
2. Step 2: Convert to fraction form
   119,043.57/164,279.77 = 64,595.51/x
3. Step 3: Cross multiply
   119,043.57x = 164,279.77 × 64,595.51
4. Step 4: Simplify right side
   119,043.57x = 10,611,735,525.83
5. Step 5: Solve for x
   x = 10,611,735,525.83/119,043.57
6. Step 6: Final answer
   x = 89,141.61